Bar of soap



FIG. 1 is a top plan view of a bar of soap showing my new design;

FIG. 2 is a perspective view from above;

FIG. 3 is a side view, the other side being identical;

FIG. 4 is an end view, the other side being identical; and,

FIG. 5 is a bottom plan view.

The ornamental design for a bar of soap, as shown and described.